EQUITY OFFERINGS AND RELATED EXPENSES (Details) - USD ($)	12 Months Ended											127 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2022
Subsidiary, Sale of Stock [Line Items]
Aggregate offering price	$ 1,596,632	$ 393,699	$ 4,999,994
Common stock, par value	$ 0.001	$ 0.001										$ 0.001
Shares issued	149,174	31,592	354,257	3,177,936	7,931	3,465,922			380,936	63,998	12,035,023	19,666,769
Gross Proceeds	$ 2,070,935	$ 449,515	$ 5,023,843	$ 45,862,995	$ 93,737	$ 48,741,406			$ 5,485,780	$ 899,964	$ 180,522,093	$ 289,150,268
Underwriting and other expenses	$ 517,054	$ 53,327	$ 95,681
Average Offering Price	$ 13.88	$ 14.23	$ 14.40	$ 14.43	$ 11.85	$ 14.06			$ 14.47	$ 14.06	$ 14.90	$ 13.88
Proceeds from the issuance of common stock	$ 2,158,540	$ 449,515	$ 4,794,994									$ 279,492,923
Common shares issued under the DRIP	$ 0	0	228,943	$ 0	$ 94,788	$ 0	$ 0	$ 0	$ 390,505	$ 938,385	$ 113,000
At-the-Market Offering
Subsidiary, Sale of Stock [Line Items]
Shares issued	149,174
Gross Proceeds	$ 2,070,935	449,515	4,794,994
Underwriting and other expenses	$ 474,304	$ 55,816	$ 23,850
Average Offering Price	$ 13.88	$ 14.23	$ 14.42									$ 13.88
Advisor reimbursement	$ 87,605
Proceeds from the issuance of common stock	$ 2,127,474
Net proceeds per share	$ 14.26